[vala/staging] vala: length-type of arrays must not be nullable

[Rico Tzschichholz <ricotz src gnome org>]

commit 11e6f710ca7dfe3456aef653795e0cc337154ac1
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Apr 15 16:49:14 2021 +0200

    vala: length-type of arrays must not be nullable

 vala/valaarraytype.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/vala/valaarraytype.vala b/vala/valaarraytype.vala
index 2468edf20..85b7b1f45 100644
--- a/vala/valaarraytype.vala
+++ b/vala/valaarraytype.vala
@@ -319,7 +319,7 @@ public class Vala.ArrayType : ReferenceType {
                        length_type = context.analyzer.int_type.copy ();
                } else {
                        length_type.check (context);
-                       if (!(length_type is IntegerType)) {
+                       if (!(length_type is IntegerType) || length_type.nullable) {
                                error = true;
                                Report.error (length_type.source_reference, "Expected integer type as length 
type of array");
                                return false;